Valve



l1 1924. 194869303 r c. Ross VALVE' File; May 7, 1920 2 sheets-sheet 1RLES A. ROSS, F DETROIT, MICEIGAEQ'.

VALVE.

Application filed May 7,

To all whom it mag concern:

Be it known that I, CHARLES A. Boss, a citizen of the United States ofAmerica, residing at Detroit, in the county of Wayne and .State ofMichigan, have invented certain new and useful Improvements in Valves,of which the following is a specification, reference being had thereinto the accompanying drawings.

This invention relates to valves and has special reference to what iscommonly known as a two-way valve that may be advantageously used forcontrolling fluids, and liquids under pressure, especially air underpressure supplied by an air compressor or reservoir and adapted'to beutilized as a motive power, for instance in a cylinder for moving apiston therein to accomplish work. The rimary object of my invention isto provlde a quick acting two-way valve wherein the valvular means isdisposed to permit of air, under pressure, passing through the valve toone end of a cylinder and air exhausting through the valve fromthe'opposite end of the cylinder. The arrangement of valves is such thatthe air under pressure will clean the valve seats when the valves areopen and assist in maintaining the valves seated or closed.

A further object of my invention is to provide a simple, durable andreliable valve wherein springs are employed to insure a positive andquick action of the valve, so that an operator of the valve cannotunin-- tentionally retard its action, but by successive actions of thevalve intentionally operate the same to move a piston in a cylinder adesired speed. In other words, the valve is either open or closed and inconsequence of a quick action it is possible to positively control theuse of air as a motive fluid.

The above and other objects are attained by a mechanical constructionthat will be hereinafter considered and then claimed, and reference willnow be had to the drawings, wherein Figure 1 is a longitudinal sectionalview of the valve structure;

Fig. 2 is a lan of the same;

Fig. 3 is a ongitudinal sectional view of the valve body; and

Fig, 4 is a plan of the same.

The valve comprises substantially 9. rectangular body 1 having a fiatface 2 and 192s. Serial no. 379,510.

end lateral apertured lu may be suitably secure to a suitable support.In the flat face 2 of the body 1 are intake chambers 4 and 5 and outletchambers 6 and 7, the chambers 4 and 7 being at one end of the body andthe chambers 5 and 6 at the-opposite end of the body, with the chambers4 and 6 in a vertical lane parallel to the vertical plane of the 0 amers5 and 7, considering the valve body in an unright position as shown'inFig. 1. The walls of the chambers 4 to 7 inclusive may be screwthreadedto receive intake and outlet connections, and the bottom of each chamberhas a valve seat 8. The valve seats of the intake chambers 4 and 5communicate with passages 9 which are in communication with compoundcurved or ogee ports 10 communicating with the outlet chambers 6 and 7,the ports 10 being in parallel planes and establishing communicationbetween the inner-ends of the intake chambers 4 and 5 and the outer endsof the outlet chambers 6 and 7.

The valve seats 8- of the outlet chambers 6 and 7 communicate withexhaust chambers 11 having exhaust openings 12 with the walls thereofscrewthreaded for suitable exhaust connections.

Extending into the exhaust chambers 11 and into the passages 9 arebushings 13 for valve rods 14 and 15 having valves 16 and 17respectively with the valves 16 enga ing the seats 8 of the intakechamber 4 an the outlet chamber 7 and the valve 17 engaging the seats 8of the intake chamber 5 and the outlet chamber 6. The bushings 13 aflordguides for the rods 14 and 15 and thimbles for coiled expansion springs18 surrounding the outer ends of the rods 14 and 15 against springretaining washers or abutments 19 retained on the rods 14 and 15 by ins20 or similar retaining means, the spr1ngs 18 being constantly undertension, so that the valves 16 and 17 will be seated or closed.

Suitably attached to the valve body 1 is the base or foot 21 of abifurcated hearing or post 22 and in the bifurcation or groove of saidbearing is fulcrumed an operating lever 23, said lever being supportedon a transverse pin 24 in the bearing 22. The operating lever 23 is in aplane intermediate the longitudinal parallel planes of the valve rods 14and 15 and suitably attached to said operating lever, as at 25, is arocker head 26 which is substantially H shaped in plan s 3 so that thebody are sothat its wings or legs 27 will extend over or under. theouter ends of the valve rods 14 and 15 and be inposition to actuate saidvalve rods when the operating lever 26 is oscillated.

Considering the operation of the valve and assuming that it isconnected'to a suit able source of air under pressure and to the ends ofa cylinder containing a piston adapts" ed to be reciprocatedby airpressure, oscillation of the operating lever 26 in one-.direc: tioncauses the valve rods 15 to remain stationary and the valve rods 14 tobe actuated, and oscillation of the operating lever in the oppositedirection causes the valve rods 14 to remain stationary and the valverods 15 to be actuated. Assuming that the valve rods 14 are actuated thevalves 16 thereof are opened or unseated. Air entering the intakechamber 4 passes through the passage 9'and the outlet port 10 to the;outlet chamber 6 from Where it may enter the end of the cylinder toperform Work against one side of the'piston to move the-piston; the airat the opposite side of the piston exhausting through the outlet chamber7 into the exhaust chamber 11, by reason of the valves 16 being open toestablish communication between the outlet chamber and the exhaustchamber.

The supply of air to theintake chamber 5 may be controlled in a similarmanner by the valves 17 and theexhaust by the valve in the outletchamber 6, thus set of valves -to cooperate 1n effecting a movement ofthe piston in one direction and; the other set of valves to cooperate inef fecting a movement of the posite direction.

I attach considerable importance to the tappet arrangement of the valve,as it is practically impossible fora workman to carelessly retard theaction of the valve.

piston in the op- There is a positive open and shut movement I oi thevalve with the pressure of air on the closed valves cooperating with theexpansive force of the springs in maintaining the valves closed audit isapparent that when the valves are open that the release of air cleansthe valve seats and prevents the accummulation of foreign matter whichmight cause leakage at the valve seats when I the valves are seated.

What I claim is 1. A valve of the type described comprising arectangular body, having an intake rmitting one messes chamber and anoutlet chamber in each side portion thereof so that the arrangement ofsaid chambers places the intake chambers in diagonal relation and theoutlet chambers in diagonal relation, said body havin ports disposed inparallel planes with eac port connecting an intake chamber. to an outletchamber, said body having exing a rectangular body, having an intakechamber and an outlet chamber in each side portion thereof so that thearrangement of said chambers places" the intake chambers in diagonalrelation and the outlet chambers in diagonal relation, said body havingports disposed in parallel planes with each port connecting an intakechamber to an outlet chamber, said body having exhaust chambers adaptedto be laced incommunication with said outlet c embers sets of tappetvalves controlling the passage of motive fluid through all of saidchambers, and opcrating means adapted for alternately opening sets ofsaid tappet valves. I

e described compris- 3. A valve of the t ing a rectangular bo y havingan intake chamber and an outlet chamber in each side portion thereof sothat the arrangement of ,said chambers places the intake chamber in dieonal relation and theoutlet chambers in lagonal relation, saidbodyhaving ports v disposed in parallel planes with each port connectingan intake chamber to an outlet chamber, said bod having exhaust chambersadapted to he placed in communication wrth said outlet chambers, tappetvalves controlling the passage of motive fluid through the chambers ofsaid body, means maintaining said valves normally closed, and meanscommon to all of said valves adapted for alternately opening said.

valves.

In testimony whereof I ailix my signature in the presence of twowitnesses.

emer es A. ROSS.

Witnesses:

Anna M. Donn, KARL H, l 5 I. l:

not

